/* ==========================================================================
   Base & Reset - ALAC Branding (Green, Grey, White)
   ========================================================================== */
:root {
    --brand-green: #2e7d32; /* Deep, professional green */
    --brand-green-light: #4caf50;
    --brand-green-dark: #1b5e20;
    
    --brand-grey-light: #f5f5f5; /* Very light grey for backgrounds */
    --brand-grey: #9e9e9e;
    --brand-grey-dark: #424242; /* Dark grey for text */
    --brand-grey-darker: #212121; /* Almost black */
    
    --white: #ffffff;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--brand-grey-dark);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: var(--brand-green);
    transition: var(--transition);
}

a:hover {
    color: var(--brand-green-dark);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-center { text-align: center; }
.mb-loose { margin-bottom: 2rem; }
.mb-tight { margin-bottom: 1rem; }

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4 {
    color: var(--brand-grey-darker);
    line-height: 1.2;
    font-weight: 700;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.lead {
    font-size: 1.2rem;
    color: var(--brand-grey-dark);
    line-height: 1.8;
}

/* ==========================================================================
   Layout & Sections
   ========================================================================== */
.section {
    padding: 6rem 0;
}

.bg-white { background-color: var(--white); }
.bg-grey { background-color: var(--brand-grey-light); }
.bg-dark { background-color: var(--brand-grey-darker); }
.text-white, .text-white h2, .text-white h3, .text-white p { color: var(--white); }

.section-header {
    margin-bottom: 3rem;
    text-align: center;
}

.divider {
    height: 4px;
    width: 60px;
    background-color: var(--brand-green);
    margin: 0 auto;
    border-radius: 2px;
}

.divider-left {
    margin: 0;
    margin-top: 10px;
    margin-bottom: 20px;
}

.divider-light { background-color: var(--brand-green-light); }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
    display: inline-block;
    padding: 0.85rem 2rem;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.btn-primary {
    background-color: var(--brand-green);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--brand-green-dark);
    color: var(--white);
}

.btn-light {
    background-color: var(--white);
    color: var(--brand-grey-darker);
}

.btn-light:hover {
    background-color: var(--brand-grey-light);
    color: var(--brand-green);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 0.75rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 15px;
}

.brand-logo {
    height: 50px;
    width: auto;
}

.brand-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.brand-name {
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--brand-grey-darker);
    line-height: 1;
    letter-spacing: 0.5px;
}

.brand-sub {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--brand-green);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-list {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.nav-list a {
    display: inline-block;
    color: var(--brand-grey-dark);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    border-radius: 4px;
}

.nav-list a:hover {
    background-color: var(--brand-green);
    color: var(--white);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--brand-grey-darker);
    transition: var(--transition);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    height: 90vh;
    min-height: 600px;
    background-size: cover;
    background-position: center 30%;
    background-repeat: no-repeat;
    position: relative;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    margin-top: 70px;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(33, 33, 33, 0.7); /* Dark grey overlay, NO GREEN */
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
}

.hero h1 {
    color: var(--white);
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.hero .sub-headline {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    font-weight: 400;
    color: var(--brand-grey-light);
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-outline-dark {
    background-color: transparent;
    color: var(--brand-grey-darker);
    border-color: var(--brand-grey-darker);
}

.btn-outline-dark:hover {
    background-color: var(--brand-grey-darker);
    color: var(--white);
}

/* ==========================================================================
   Mission Section
   ========================================================================== */
.mission-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.approach-cards .card {
    background: var(--brand-grey-light);
    padding: 2rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    border-left: 4px solid var(--brand-green);
}

/* ==========================================================================
   Emerald Chase Section
   ========================================================================== */
.chase-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: center;
}

.chase-image {
    text-align: center;
    background: var(--white);
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.event-logo {
    max-width: 100%;
    height: auto;
}

.highlight-list {
    margin-top: 1.5rem;
}

.highlight-list li {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 1rem;
    font-weight: 600;
    color: var(--brand-grey-darker);
}

.highlight-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--brand-green);
    font-weight: bold;
    font-size: 1.2rem;
}

/* ==========================================================================
   Leadership Section
   ========================================================================== */
.leadership-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.leader-card {
    background: var(--brand-grey-light);
    padding: 2.5rem 2rem;
    border-radius: 4px;
    text-align: center;
    border-top: 4px solid var(--brand-green);
}

.leader-photo-placeholder {
    width: 100%;
    aspect-ratio: 3 / 4;
    border-radius: 8px;
    background-color: var(--brand-grey-light);
    margin: 0 auto 1.5rem auto;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brand-grey);
    font-size: 0.9rem;
    font-weight: 600;
    border: 2px dashed #cbd5e1;
}

.leader-photo-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    display: block;
    border-radius: 8px;
}

.leader-name {
    color: var(--brand-grey-darker);
    margin-bottom: 0.25rem;
}

.leader-role {
    color: var(--brand-green);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0;
}

/* ==========================================================================
   Transparency Section
   ========================================================================== */
.table-container {
    overflow-x: auto;
}

.transparency-table {
    width: 100%;
    max-width: 800px;
    margin: 0 auto 1.5rem auto;
    border-collapse: collapse;
    background: var(--white);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.transparency-table th, 
.transparency-table td {
    padding: 1.25rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--brand-grey-light);
}

.transparency-table th {
    background-color: var(--brand-green);
    color: var(--white);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.transparency-table td strong {
    color: var(--brand-grey-darker);
}

.tax-note {
    text-align: center;
    font-size: 0.9rem;
    color: var(--brand-grey);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
}

.sponsor-tiers .tier {
    margin-top: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.sponsor-tiers .tier:last-child {
    border-bottom: none;
}

.contact-box {
    background: rgba(255,255,255,0.05);
    padding: 3rem;
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.1);
}

.contact-box h3 {
    color: var(--brand-green-light);
}

.contact-box a {
    color: var(--white);
    text-decoration: underline;
}
.contact-box a:hover {
    color: var(--brand-green-light);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background-color: #111111;
    color: var(--brand-grey);
    text-align: center;
    padding: 2rem 0;
    font-size: 0.9rem;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
    .mission-grid, .chase-content, .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .hero h1 {
        font-size: 2.25rem;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        padding: 1rem 0;
    }
    
    .main-nav.active {
        display: block;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .brand-name {
        font-size: 1rem;
    }
    .brand-sub {
        font-size: 0.75rem;
    }
}